Overview

overview

10

Static

static

3

2024-02-13...ck.exe

windows7-x64

10

2024-02-13...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-02-13_d13878ce1e974068dccf912a1e8151d8_virlock

  • Size

    254KB

  • Sample

    240213-yg5lrsgf31

  • MD5

    d13878ce1e974068dccf912a1e8151d8

  • SHA1

    f2c2bb3416cb41fcaefc7f4e77d8482a7b2c48d3

  • SHA256

    503b3ea1ef0adf3ef1d30a18983e2053c9f878c94e53ce7176225df01ca9266f

  • SHA512

    0517a298788a7c4ec0fdb293be6522470d4c11db733125f245008e0b42fc1e4c7f4f183689f6110c17bfe7fe23787e95eab5f0daede0281b49b9955e157ffbbc

  • SSDEEP

    3072:R96ps+4vGk39m/5W+Je/CW2S/UEyEOcOb2qDfvRufFy:beMRC/o/CjMUEiT1DnRufFy

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-02-13_d13878ce1e974068dccf912a1e8151d8_virlock

    • Size

      254KB

    • MD5

      d13878ce1e974068dccf912a1e8151d8

    • SHA1

      f2c2bb3416cb41fcaefc7f4e77d8482a7b2c48d3

    • SHA256

      503b3ea1ef0adf3ef1d30a18983e2053c9f878c94e53ce7176225df01ca9266f

    • SHA512

      0517a298788a7c4ec0fdb293be6522470d4c11db733125f245008e0b42fc1e4c7f4f183689f6110c17bfe7fe23787e95eab5f0daede0281b49b9955e157ffbbc

    • SSDEEP

      3072:R96ps+4vGk39m/5W+Je/CW2S/UEyEOcOb2qDfvRufFy:beMRC/o/CjMUEiT1DnRufFy

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (79) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks